'Same frequency band' presentation slideshows

Adversarial Models for Wireless Communication

Adversarial Models for Wireless Communication. Andrea W. Richa Arizona State University. Motivation. Channel availability hard to model: Mobility Packet injection Temporary Obstacles Background noise Physical Interference Co-existing networks Jammer. Physical layer jamming.

751 views • 64 slides

2. Conventional networks 2.3 Cellular networks

2. Conventional networks 2.3 Cellular networks. Overview Network capacity Security: the Lin-Harn protocol Billing. Prof. JP Hubaux. The Public Switched Telephone Network (reminder). Transit switch. Transit switch. Transit switch. Long distance network. Local switch. Local

781 views • 64 slides

1587: COMMUNICATION SYSTEMS 1 Mobile Communications

1587: COMMUNICATION SYSTEMS 1 Mobile Communications. Dr. George Loukas. University of Greenwich, 2011-2012. WANs quick revision: Topology. Wide Area Network. WAN. Use local and long-distance telecommunications Usually very high speed with low error rates Usually follow a mesh topology.

625 views • 43 slides

RF technology

RF technology. Module contents. Technologies overview Spread Spectrum Direct Sequence Frequency Hopping Modulation DBPSK/DQPSK CCK. OSI Reference Model: Phy. Network Oper. System Network Layer Guarantees delivery data Drivers LLC Layer send/receive data LAN Controller MAC Layer

626 views • 27 slides

Wireless Systems

Wireless Systems. Cellular Concept. Introduction. Technically speaking a cell is formally defined as an area wherein the use of radio communication resources by the MS is controlled by a BS.

374 views • 24 slides

Models to Evaluate EM Interference and Human Exposure for Wireless Communication Systems in Realistic Environments

Models to Evaluate EM Interference and Human Exposure for Wireless Communication Systems in Realistic Environments . COST 286 Workshop on EMC in Diffused Communication Systems: Current Capabilities and Future Needs. P. Bernardi and E. Piuzzi Dept. of Electronic Engineering

337 views • 19 slides

FREQUENCY REUSE Mr. S. K. KIBE Director/Frequency Spectrum Management Communications Commission of Kenya

483 views • 12 slides

LEGAL & GOVERNANCE INSTITUTIONS

223 views • 12 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

204 views • 12 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Cooperative Relay for Coverage Extension in LED-ID System] Date Submitted: [20 Oct., 2010 ] Source : [Jin young Kim, Yoon Hyun Kim, In Hwan Park, Muhammad Shahin Uddin *, Le Nam Tuan*,

200 views • 11 slides

Design Challenges for 802.11HEW Radios

Design Challenges for 802.11HEW Radios. Date: 2014-01-20. Authors:. Motivation.

217 views • 9 slides